This class of drugs is used to treat pain and a wide range of mental and behavioral disorders. An SNRI is a serotonin and norepinephrine reuptake inhibitor, which is a group of antidepressant medications. They're used to treat depression as well as anxiety, obsessive compulsive disorder (OCD), attention deficit hyperactivity disorder (ADHD), fibromyalgia, nerve pain,… Continue reading SNRI – Types, Side Effects, Warnings & Withdrawal